Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kc5 win in 3 half-moves
2 Kb5 loss in 40 half-moves
3 Ka5 loss in 36 half-moves
4 Ka6 loss in 28 half-moves
5 Ka7 loss in 22 half-moves
6 Kb7 loss in 22 half-moves
7 Kc6 loss in 2 half-moves
8 Kc7 loss in 2 half-moves